| Patents for C23C 22 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals (14,001) |
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| 02/11/2009 | CN100460559C Chemical conversion coating agent and metal with surface treatment |
| 02/11/2009 | CN100460210C Corrosion proof nozzle head and manufacturing method thereof |
| 02/05/2009 | WO2009018123A1 Methods and compositions for passivating heat exchanger systems |
| 02/05/2009 | WO2009017008A1 Magnesium alloy material, and method for treatment of surface of magnesium alloy material |
| 02/05/2009 | WO2009016969A1 Method for treatment of surface of metal base material |
| 02/05/2009 | US20090032146 Aqueous Reaction Solution and Method of Passivating Workpieces Having Zinc or Zinc Alloy Surfaces and Use of a Heteroaromatic Compound |
| 02/05/2009 | US20090032145 Method of forming a multilayer, corrosion-resistant finish |
| 02/05/2009 | US20090032144 Pretreatment compositions and methods for coating a metal substrate |
| 02/05/2009 | US20090032140 Novel non-chrome metal treatment composition |
| 02/05/2009 | DE102007032938A1 Method for the production of nanoscale porous metal or alloys, whose surface is equipped with an oxidation layer, comprises electrochemically oxidation an initial alloy in an oxidating- solution or electrolyte |
| 02/05/2009 | CA2695183A1 Methods and compositions for passivating heat exchanger systems |
| 02/05/2009 | CA2686179A1 High manganese cobalt-modified zinc phosphate conversion coating |
| 02/04/2009 | CN101360847A Chromium(vi)-free composition for protection of a galvanized metal surface against corrosion, process for producing it and pulley |
| 02/04/2009 | CN101358343A Magnesium alloy alkaline corrosion inhibitor |
| 02/04/2009 | CN101358342A Brilliant tin plate chromium-free passivation solution and passivation method |
| 02/04/2009 | CN101358341A Environment protection type processing method of chromium-free chemistry conversion film on aluminum and aluminum alloy surface |
| 02/04/2009 | CN101358340A Tin plate chromium-free passivation solution and passivation method |
| 02/04/2009 | CN100457970C Non-nitrite water base antirusting agent |
| 02/04/2009 | CN100457969C Treating solution for forming black hexavalent chromium-free chemical coating on zinc or zinc alloy plated substrate, and method for forming black hexavalent chromium-free chemical coating on zinc or |
| 02/04/2009 | CN100457968C Chemical conversion coating agent and metal with surface treatment |
| 02/03/2009 | CA2443005C Method for treating ferrous alloy parts in order to improve the rubbing properties thereof without causing hardness loss or deformation |
| 01/29/2009 | US20090025841 Surface-modified magnesium powders for use in pyrotechnic compositions |
| 01/29/2009 | DE102007036651A1 Prozessrecycling galvanischer Bäder Recycling process of electroplating baths |
| 01/29/2009 | DE102007034637A1 Method for the application of a conversion coating on a component out of aluminum alloy, comprises individually treating the component with a solution, which consists of an alkali metal permanganate as active ingredients |
| 01/28/2009 | CN101356301A Aqueous reaction solution and method of passivating workpieces having zinc or zinc alloy surfaces |
| 01/28/2009 | CN101356300A Method for chemical conversion treatment of the surface of aluminum material and aluminum material |
| 01/28/2009 | CN101353793A Copper alloy antirust agent |
| 01/28/2009 | CN101353792A Chromium-free passivation solution |
| 01/28/2009 | CN101353791A Oil well pipe body screw thread bonderite processing technology |
| 01/28/2009 | CN100455699C Precoat metal plate excellent in press workability and method for production thereof |
| 01/28/2009 | CN100455644C Surface lubricating agent for zinc plated steel plate and its treating method |
| 01/22/2009 | US20090020187 Method and apparatus for protecting metal from oxidaton |
| 01/22/2009 | US20090020186 Methods of preventing corrosion |
| 01/22/2009 | US20090020185 Aqueous treating solution for forming black trivalent-chromium chemical conversion coating on zinc or zinc alloy and method of forming black trivalent-chromium chemical conversion coating |
| 01/21/2009 | EP1597066A4 Heat treatable coated article with chromium nitride ir reflecting layer and method of making same |
| 01/21/2009 | CN101348907A Preparation of functionally graded composite coating and plating solution therefor |
| 01/21/2009 | CN101348906A Microcrystalline phosphating solution for brake block hardware |
| 01/21/2009 | CN101348622A Novel agent preventing silver coating from coloring in cyanide silver plating process |
| 01/20/2009 | US7479177 lubricant mixture of ethylene oxide fatty acid adduct and phosphate; phosphate coating |
| 01/20/2009 | CA2465701C Post-treatment for metal coated substrates |
| 01/15/2009 | WO2009007208A1 Methods for reducing hexavalent chromium in trivalent chromate conversion coatings |
| 01/15/2009 | WO2009007122A1 Solution and process for increasing the solderability and corrosion resistance of metal or metal alloy surface |
| 01/15/2009 | US20090014334 Partial Chemical Plating Technique for Apertures of Aluminum Radiator |
| 01/15/2009 | US20090014094 Methods for Reducing Hexavalent Chromium in Trivalent Chromate Conversion Coatings |
| 01/14/2009 | EP2014798A1 Solution and process for increasing the solderability and corrosion resistance of metal or metal alloy surface |
| 01/14/2009 | EP2014793A2 Anti-corrosion treatment for conversion coatings |
| 01/14/2009 | EP2014783A1 Process for producing alloyed hot-dip zinc-plated steel sheet and alloyed hot-dip zinc-plated steel sheet |
| 01/14/2009 | EP1255797A4 Method for roughening copper surfaces for bonding to substrates |
| 01/14/2009 | CN101346493A Surface treated Cr-free steel sheet for used in fuel tank, preparing method thereof and treatment composition therefor |
| 01/14/2009 | CN101343746A Titanium oxide nano wire film on metallic titanium surface and manufacture method thereof |
| 01/14/2009 | CN101343745A Piston ring inner lining spring black parkerizing method |
| 01/14/2009 | CN101343740A Film coating process for aluminium alloy wheel hub |
| 01/14/2009 | CN101343739A Acid washing passivation technology for stainless steel |
| 01/14/2009 | CN101343738A Improved zincing passivation method |
| 01/14/2009 | CN101343737A Zincing passivation method |
| 01/14/2009 | CN101343736A Method for parkerizing of light metal material surface |
| 01/14/2009 | CN101342566A Integral cold forging technique for angular wheel shaft |
| 01/14/2009 | CN100451173C Corrosion inhibition method |
| 01/08/2009 | WO2009004684A1 Aqueous fluid for surface treatment of zinc-plated steel sheets and zinc-plated steel sheets |
| 01/08/2009 | US20090011274 Coated Steel Sheet, Finished Product, Panel for Use in Thin Television Sets, and Method for Manufacturing Coated Steel Sheet |
| 01/08/2009 | US20090007990 Method for passivating metallic surfaces by using itaconic acid homopolymers or copolymers |
| 01/07/2009 | EP2011902A1 Anticorrosive metal part and process for producing the same |
| 01/07/2009 | EP2011901A1 Component with a ceramic layer in which particles are dispersed, and method for producing same |
| 01/07/2009 | EP2011900A1 Zinc-plated steel material coated with composite film excellent in corrosion resistance, unsusceptibility to blackening, coating adhesion, and alkali resistance |
| 01/07/2009 | EP2011899A2 Corrosion inhibiting coating composition for a Zn-containing aluminum alloy |
| 01/07/2009 | EP1649079B1 Method for inhibiting corrosion using quaternary ammonium carbonates |
| 01/07/2009 | EP1340839B1 Whiskerless galvanized product having multi-layer rust prevention film and manufacturing method of whiskerless galvanized product having multi-layer rust prevention film |
| 01/07/2009 | CN201176458Y Weldable aluminium base material |
| 01/07/2009 | CN101341273A Steel pipe for automobile piping |
| 01/07/2009 | CN101338424A Preparation of high-concentration colorful passivation treatment agent |
| 01/07/2009 | CN101338423A Preparation of colorful passivation treatment agent |
| 01/07/2009 | CN101338422A Preparation method of colorful passivation treatment agent |
| 01/07/2009 | CN101338421A Preparation of colorful passivation treatment agent after steel galvanization |
| 01/07/2009 | CN101338420A Preparation of passivation solution |
| 01/07/2009 | CN101338419A Preparation of colorful passivation treatment agent |
| 01/06/2009 | US7473324 Contacting surface of zinc phosphated metal substrate with autodeposition coating of water, dispersed epoxy resin particles, crosslinking agent and hydrofluoric acid; avoids stripping |
| 01/02/2009 | DE10114821B4 Wässrige Hydroxylamin-Lösung Aqueous hydroxylamine solution |
| 01/01/2009 | US20090004481 Carrier applied coating layers |
| 12/31/2008 | WO2009002471A2 Method of forming a multilayer, corrosion-resistant finish |
| 12/31/2008 | WO2008137802A3 Compositions including hardness ions and gluconate and methods employing them to reduce corrosion and etch |
| 12/31/2008 | EP2009144A1 Multimetal phosphating process comprising an activation pretreatment |
| 12/31/2008 | EP2009073A1 Non-chromate rust-preventive surface treating agent for metallic member having zinc surface, and metallic member having zinc surface coated with the rust-preventive coating film |
| 12/31/2008 | EP2007921A1 Surface conditioning composition, method for producing the same, and surface conditioning method |
| 12/31/2008 | EP2007920A1 Surface conditioning composition, method for producing the same, and surface conditioning method |
| 12/31/2008 | CN101333655A Process for preparing La2Zr2O7 cushioning layer film of high-temperature superconductivity coating conductor |
| 12/31/2008 | CN101332692A Hot-dip aluminizing zinc chrome-free passivated steel-plate and technique thereof |
| 12/31/2008 | CN101332488A Cold-forging technique of gear shaft |
| 12/31/2008 | CN100447301C Magnesium alloy phosphate surface modified treatment process |
| 12/27/2008 | CA2635818A1 Corrosion inhibiting additive |
| 12/25/2008 | US20080314479 High manganese cobalt-modified zinc phosphate conversion coating |
| 12/24/2008 | WO2008157603A1 Corrosion proteciton of bronzes |
| 12/24/2008 | WO2008130432A3 Nanoscale spintronic chemical sensor |
| 12/24/2008 | EP2004874A1 Method for coating of metallic coil or sheets for producing hollow articles |
| 12/24/2008 | DE102007028986A1 Method for production of thin-walled endless belt for devices for processing flat material layer, involves forming endless belt smoothly on surface by laying material layer with material laying unit |
| 12/24/2008 | CN101331020A Resin-coated stainless steel foil, container and secondary battery |
| 12/24/2008 | CN101328583A Manganese phosphating liquor, preparation and use thereof |
| 12/24/2008 | CN100444992C Coated powder and process for the preparation thereof |
| 12/23/2008 | CA2374327C Chromium-free corrosion preventive and corrosion prevention method |
| 12/18/2008 | WO2008153838A1 Method of making lithographic printing plate substrate and imageable elements |
| 12/18/2008 | WO2008151829A1 Anticorrosive treatment for conversion layers |